Jove
Visualize
Contact Us

Related Concept Videos

Metallic Solids02:37

Metallic Solids

16.4K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and...
16.4K
Imperfections in Crystal Structure: Non-Stoichiometric Defects01:29

Imperfections in Crystal Structure: Non-Stoichiometric Defects

113
Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...
113

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Accurate Determination of Atomic-Level Segregation at the Rare-Earth-Doped Al<sub>2</sub>O<sub>3</sub> Grain Boundary.

Nano letters·2026
Same author

Enhancing Dose Efficiency of Optimum Bright-Field Scanning Transmission Electron Microscopy Using a Phase-Shifted Electron Probe.

Small methods·2026
Same author

Multiscale <i>in Situ</i> Analysis of the Zinc Electrodeposition Process in Aqueous Electrolytes.

ACS applied materials & interfaces·2026
Same author

Mg-Doped Nanosized BaTaO<sub>2</sub>N with Long-Lived Charge Carriers toward Efficient Overall Water Splitting.

Journal of the American Chemical Society·2026
Same author

3D dynamic structure of a Pt nanoparticle on SrTiO<sub>3</sub> (001) during in-situ heating atomic-resolution ADF STEM imaging.

Nature communications·2026
Same author

Single-crystalline Ba<sub>x</sub>Sr<sub>1-x</sub>TaO<sub>2</sub>N solid-solution photocatalyst with low defect concentrations for solar-driven water splitting.

Nature communications·2026
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Apr 30, 2026

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
11:54

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

10.7K

Atomic-Scale Insights into Yttrium-Induced Grain Boundary Structure Modification in Al2O3.

Jingyuan Yan1,2, Tatsuya Yokoi3, Yuuki Nakano3

  • 1Institute of Engineering Innovation, The University of Tokyo, Tokyo, 113-0032, Japan.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|December 22, 2025
PubMed
Summary

Yttrium segregation in aluminum oxide grain boundaries alters atomic structure and density, minimizing excess volume for enhanced material properties. This study reveals atomic-scale mechanisms of grain boundary structural transformation.

Keywords:
NNP‐based MCMD calculationatomic structure modificationceramicsgrain boundaryisovalent segregation

More Related Videos

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
06:44

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Published on: June 9, 2023

3.7K
Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

3.2K

Related Experiment Videos

Last Updated: Apr 30, 2026

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
11:54

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

10.7K
Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
06:44

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Published on: June 9, 2023

3.7K
Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

3.2K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Solid-State Physics

Background:

  • Impurity segregation at grain boundaries (GBs) significantly impacts material properties.
  • Understanding atomic-scale mechanisms of GB segregation is crucial for materials design.

Purpose of the Study:

  • To investigate the atomic structure of Yttrium (Y)-segregated GBs in alpha-Al2O3.
  • To elucidate the mechanism of GB structural transformation induced by impurity segregation.

Main Methods:

  • Scanning Transmission Electron Microscopy (STEM).
  • Monte Carlo (MC) and Molecular Dynamics (MD) simulations.
  • Neural Network (NN) potential for simulations.

Main Results:

  • Yttrium segregation involves substitution of Y for Al atoms.
  • Segregation induces structural adaptation with altered GB atomic density.
  • Changes in bonding environment minimize excess volume, leading to the lowest-energy structure.

Conclusions:

  • Yttrium segregation drives atomic-level structural transformations at GBs.
  • The study provides new insights into the atomic-scale mechanisms of GB structural changes.
  • Findings are critical for controlling material properties through GB engineering.